/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 2008-2011, Salzburg Research. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * - Redistributions of source code must retain the above copyright notice,
 *   this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright notice,
 *   this list of conditions and the following disclaimer in the documentation
 *   and/or other materials provided with the distribution.
 * - Neither the name of the KiWi Project nor the names of its contributors
 *   may be used to endorse or promote products derived from this software
 *   without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * Contributor(s):
 *  sschaffe
 *
 * File Info:
 *   User: sschaffe
 *   Date: 2011/02/18
 *   Time: 11:07
 *
 * Project: KiWi2, kiwi-core module
 */

package kiwi.core.services.io;

import kiwi.core.api.io.KiWiIOService;
import kiwi.core.api.io.KiWiParser;
import kiwi.core.api.io.KiWiSerializer;

import javax.enterprise.context.ApplicationScoped;
import javax.enterprise.inject.Any;
import javax.enterprise.inject.Instance;
import javax.inject.Inject;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * User: Thomas Kurz
 * Date: 18.02.11
 * Time: 10:41
 */
@ApplicationScoped
public class KiWiIOServiceImpl implements KiWiIOService {


	private Map<String,KiWiParser> parserMap;
	private List<String> acceptTypes;
	@Inject
	private void initParsers(@Any Instance<KiWiParser> parsers) {
		parserMap = new HashMap<String,KiWiParser>();
		acceptTypes = new ArrayList<String>();
		for(KiWiParser parser : parsers) {
			for(String type:parser.getAcceptFormats()) {
				parserMap.put(type,parser);
				acceptTypes.add(type);
			}
		}
	}

	private Map<String,KiWiSerializer> serializerMap;
	private List<String> producedTypes;
	@Inject
	private void initSerializer(@Any Instance<KiWiSerializer> serializers) {
		serializerMap = new HashMap<String,KiWiSerializer>();
		producedTypes = new ArrayList<String>();
		for(KiWiSerializer serializer : serializers) {
			for(String type:serializer.getProducedFormats()) {
				serializerMap.put(type,serializer);
				producedTypes.add(type);
			}
		}
	}

	/**
	 * returns a list of all mimetypes which can be parsed by implemented parsers
	 * @return
	 */
	@Override
	public List<String> getAcceptTypes() {
		return acceptTypes;
	}

	/**
	 * returns a list of all mimetypes which can be produced by implemented serializers
	 * @return
	 */
	@Override
	public List<String> getProducedType() {
		return producedTypes;
	}

	/**
	 * returns a serializer for a given mimetype; null if no serializer defined
	 * @param mimetype
	 * @return
	 */
	@Override
	public KiWiSerializer getSerializer(String mimetype) {
		return serializerMap.get(mimetype);
	}

	/**
	 * returns a parser for a given mimetype; null if no parser defined
	 * @param mimetype
	 * @return
	 */
	@Override
	public KiWiParser getParser(String mimetype) {
		return parserMap.get(mimetype);
	}
}
